H2O is a substance that that is classified as a compound. It is the chemical formula of water. A compound is two or more elements that have been chemically combined. In this question, water has two elements which are hydrogen (H) and oxygen (O). Two hydrogen atoms combine with one oxygen atom to form a compound. The answer will thus be B.
<span> Just follow the rock cycle.
(1) Rock is broken down
(2) Regolith is eroded/transported
(3) Regolith is dumped
(4) Layers begin to compact
(5) Sedimentary rock is buried and turned into metamorphic rock
(6) Metamorphic rock melts to magma
(7) Magma resurfaces as igneous rock </span>
I'm fairly sure it would be windward and leeward. So C
